The Elmo HV-5100XG is a high resolution visual presenter with a built-in 18x optical zoom lens. The unit integrates two overhead florescent lights and a base light to illuminate text, flat art and three-dimensional objects. Its camera head unit rotates completely to capture whatever objects your presentation may require just about anywhere they may be positioned. The zoom lens has auto exposure and auto focus functions. It is NTSC and PAL systems compatible and it outputs RGB, Composite and S-Video signals.